Malicious PDF — malware analysis report

Heuristics 4

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://ggtraff.ru/strik?keyword=charter+cable+ref+code+s0200 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366341/normal_5f871582195f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372076/normal_5f8aff9566916.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384652/normal_5f9590a7238d0.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/jazuravazaguz/vuwalepupaxezuwitek.pdfIn PDF document text
  • https://s3.amazonaws.com/vidadaviwal/frontline_magazine_june_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/regufojalojaza/36999934879.pdfIn PDF document text
  • https://s3.amazonaws.com/faluzotixupi/51815977603.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4cedf31-1473-4cdd-ac30-f09022c44c35/interpreting_text_and_visuals.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee037b99-0199-4f0e-b62b-cd7f6b0492d5/my_dog_keeps_throwing_up_water.pdfIn PDF document text
  • https://s3.amazonaws.com/bulikowexunepov/88969966340.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/10318100401.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/kebawunomimugesowusabip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8091/1515/files/our_lady_of_divine_providence_prayer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/5255/6184/files/makalah_pupuk_kompos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0021/5735/files/insights_into_ifrs_2020.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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